Software for PCs (Windows)

All of the software is free.

Microsoft MovieMaker

There are a number of versions, Consult http://en.wikipedia.org/wiki/Windows_Movie_Maker for more information
for editing videos
Version 2.1 - XP - http://www.soft82.com/version/download/Windows/Windows_Movie_Maker-2-1
Version 2.6 - Vista/Windows 7? - http://www.soft82.com/download/Windows/Windows_Movie_Maker

KoyoteSoft Video Converter

Version 2.92 or later
for converting .mst files
http://www.koyotesoft.com/en/products.html

Apple Quicktime

for viewing .mov files
http://www.apple.com/quicktime

Microsoft PhotoStory

for editing slide shows
http://www.microsoft.com/downloads/en/details.aspx?familyid=92755126-a008-49b3-b3f4-6f33852af9c1